In this example we will draw different lines with the help of matplotlib and Use the title argument to pltlegend to specify the legend title.

Example of legend title. As an example with a fictional figure with two panels A and B. In case you have an already created legend you can modify its title with set_title. Perhaps we could have used Symbols for Maps of Areas with Larger Populations in the Atlas of Oregon.

S ources - E xamples - D iscussions. If you have one variable mapped to two separate aesthetics the default is to have a single legend that combines both. Gilt lymphocytes exhibit deficient recall proliferation to the cockroach allergen Bla g 2 but not to the house dust mite allergen Der f 1.

In the legend you will need to explain each panel that you label and give the reader a brief takeaway of what it shows. Legends get a title when they become a true legend. The examples are extracted from open source Java projects from GitHub.

Libraryggplot2 create dataset data. All code is available online on this jupyter notebook. The following is an example of a well-written figure legend drawn from this paper West et al 2013.

Lgd Legendcol_fun col_fun title foooooooo direction horizontal title_position lefttop In examples we showed above the intervals between every two break values are equal. By default ggplot2 uses the variable name in the dataset as the legend title. It combines many of the components detailed above.

Legend pltlegendhandlesone two three loc4 fontsizesmall fancyboxTrue legendset_titletitle pltgcaget_legendset_title if you didnt store the legend in an object or youre loading a saved figure. For example the National Geographic Atlas of the World uses the legend title Political Map Symbols you know this is the legend for one often occurring type of map in the atlas. Every not-famous legend will get a title based on their order God Zhenwu for warriors Heavenly Lord for seers and Taoist Tianling for monks.